DE3709902A1 - Anordnung zur automatischen verstaerkungsregelung des tonkanals in einem system zur verarbeitung eines verschluesselten videosignals - Google Patents
Anordnung zur automatischen verstaerkungsregelung des tonkanals in einem system zur verarbeitung eines verschluesselten videosignalsInfo
- Publication number
- DE3709902A1 DE3709902A1 DE19873709902 DE3709902A DE3709902A1 DE 3709902 A1 DE3709902 A1 DE 3709902A1 DE 19873709902 DE19873709902 DE 19873709902 DE 3709902 A DE3709902 A DE 3709902A DE 3709902 A1 DE3709902 A1 DE 3709902A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- video
- channel
- gain
- gain control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012545 processing Methods 0.000 title claims description 8
- 230000003321 amplification Effects 0.000 claims description 22
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 22
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 description 24
- 230000005236 sound signal Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 11
- 239000003550 marker Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/52—Automatic gain control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/844,542 US4718086A (en) | 1986-03-27 | 1986-03-27 | AGC in sound channel of system for processing a scrambled video signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3709902A1 true DE3709902A1 (de) | 1987-10-08 |
| DE3709902C2 DE3709902C2 (enrdf_load_stackoverflow) | 1990-05-23 |
Family
ID=25293007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873709902 Granted DE3709902A1 (de) | 1986-03-27 | 1987-03-26 | Anordnung zur automatischen verstaerkungsregelung des tonkanals in einem system zur verarbeitung eines verschluesselten videosignals |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4718086A (enrdf_load_stackoverflow) |
| JP (1) | JP2517267B2 (enrdf_load_stackoverflow) |
| KR (1) | KR950006240B1 (enrdf_load_stackoverflow) |
| CA (1) | CA1269442A (enrdf_load_stackoverflow) |
| DE (1) | DE3709902A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2596604B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2188501B (enrdf_load_stackoverflow) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6448584A (en) * | 1987-08-18 | 1989-02-23 | Alps Electric Co Ltd | Catv converter |
| JPH01169883U (enrdf_load_stackoverflow) * | 1988-05-19 | 1989-11-30 | ||
| JPH0693775B2 (ja) * | 1988-09-21 | 1994-11-16 | パイオニア株式会社 | Ｃａｔｖ端末装置 |
| JP2515086Y2 (ja) * | 1989-03-08 | 1996-10-23 | 株式会社東芝 | 映像中間周波処理回路 |
| US4974087A (en) * | 1989-04-13 | 1990-11-27 | Rca Licensing Corporation | Parallel sound if with reference carrier derived from quasi-synchronous video detector |
| US5113440A (en) * | 1989-07-21 | 1992-05-12 | Oci Communcations, Inc. | Universal decoder |
| JPH0396180A (ja) * | 1989-09-08 | 1991-04-22 | Sony Corp | 受信装置 |
| US5177613A (en) * | 1990-02-26 | 1993-01-05 | Thomson Consumer Electronics, Inc. | Quasi-parallel if with shared saw filter |
| US5235424A (en) * | 1992-02-06 | 1993-08-10 | General Electric Company | Automatic gain control system for a high definition television signal receiver |
| KR940007241B1 (ko) * | 1992-03-09 | 1994-08-10 | 삼성전자 주식회사 | 반도체 메모리 장치의 로우 리던던시장치 |
| US5365279A (en) * | 1992-09-08 | 1994-11-15 | Samsung Electronics Co., Ltd. | Using D-C feedback with on-chip filtering to balance I-F drive to second detector in monolithic IC |
| US5305109A (en) * | 1992-09-08 | 1994-04-19 | Samsung Electronics Co., Ltd. | Parallel untuned video if amplifiers supplied signals from TV 1st detector via respective input filters |
| US5331290A (en) * | 1992-09-08 | 1994-07-19 | Samsung Electronics Co., Ltd. | Variable gain amplifier |
| DE4314767A1 (de) * | 1993-05-05 | 1994-11-10 | Philips Patentverwaltung | Schaltungsanordnung zum Regeln der Amplitude eines Tonsignals |
| US5812665A (en) * | 1995-06-08 | 1998-09-22 | Ictv, Inc. | Switched channel system |
| US6169584B1 (en) * | 1997-12-05 | 2001-01-02 | Motorola, Inc. | Automatic modulation control of sync suppressed television signals |
| DE69924214T2 (de) * | 1998-11-27 | 2006-03-23 | Alps Electric Co., Ltd. | Fernsehsignalempfängstuner |
| JP3612224B2 (ja) | 1998-11-27 | 2005-01-19 | アルプス電気株式会社 | テレビジョン信号受信チューナー |
| KR100373440B1 (ko) * | 2000-10-06 | 2003-02-25 | 주식회사 아진비젼 | 영상 송수신 제한 장치 |
| JP2003018565A (ja) * | 2001-06-28 | 2003-01-17 | Pioneer Electronic Corp | 映像信号伝送装置 |
| US7557866B2 (en) | 2003-04-15 | 2009-07-07 | Asahi Kasei Emd Corporation | Automatic gain control circuit |
| US8074248B2 (en) | 2005-07-26 | 2011-12-06 | Activevideo Networks, Inc. | System and method for providing video content associated with a source image to a television in a communication network |
| JP5936805B2 (ja) * | 2006-09-29 | 2016-06-22 | アビニティ・システムズ・ベスローテン・フェンノートシャップＡｖｉｎｉｔｙ Ｓｙｓｔｅｍｓ Ｂ．Ｖ． | パラレルユーザセッションをストリーミングするための方法、システム、およびコンピュータソフトウェア |
| WO2008088772A2 (en) | 2007-01-12 | 2008-07-24 | Ictv, Inc. | Mpeg objects and systems and methods for using mpeg objects |
| US9826197B2 (en) | 2007-01-12 | 2017-11-21 | Activevideo Networks, Inc. | Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device |
| JP5866125B2 (ja) | 2010-10-14 | 2016-02-17 | アクティブビデオ ネットワークス， インコーポレイテッド | ケーブルテレビシステムを使用したビデオ装置間のデジタルビデオストリーミング |
| US9204203B2 (en) | 2011-04-07 | 2015-12-01 | Activevideo Networks, Inc. | Reduction of latency in video distribution networks using adaptive bit rates |
| WO2013106390A1 (en) | 2012-01-09 | 2013-07-18 | Activevideo Networks, Inc. | Rendering of an interactive lean-backward user interface on a television |
| US9800945B2 (en) | 2012-04-03 | 2017-10-24 | Activevideo Networks, Inc. | Class-based intelligent multiplexing over unmanaged networks |
| US9123084B2 (en) | 2012-04-12 | 2015-09-01 | Activevideo Networks, Inc. | Graphical application integration with MPEG objects |
| US10275128B2 (en) | 2013-03-15 | 2019-04-30 | Activevideo Networks, Inc. | Multiple-mode system and method for providing user selectable video content |
| US9219922B2 (en) | 2013-06-06 | 2015-12-22 | Activevideo Networks, Inc. | System and method for exploiting scene graph information in construction of an encoded video sequence |
| US9294785B2 (en) | 2013-06-06 | 2016-03-22 | Activevideo Networks, Inc. | System and method for exploiting scene graph information in construction of an encoded video sequence |
| WO2014197879A1 (en) | 2013-06-06 | 2014-12-11 | Activevideo Networks, Inc. | Overlay rendering of user interface onto source video |
| US9788029B2 (en) | 2014-04-25 | 2017-10-10 | Activevideo Networks, Inc. | Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB460675A (en) * | 1935-11-27 | 1937-02-02 | Gen Electric Co Ltd | Improvements in or relating to television receivers and the like |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE393258A (enrdf_load_stackoverflow) * | 1931-12-26 | |||
| JPS597810Y2 (ja) * | 1977-06-30 | 1984-03-09 | ソニー株式会社 | テレビジョン受像機 |
| JPS5642411A (en) * | 1979-09-13 | 1981-04-20 | Matsushita Electric Ind Co Ltd | Audio intermediate frequency circuit |
| US4408225A (en) * | 1981-07-06 | 1983-10-04 | Zenith Radio Corporation | Subscription television decoder |
| US4470071A (en) * | 1982-08-30 | 1984-09-04 | Rca Corporation | Television sound detection system using a frequency translation phase-locked loop |
| US4523228A (en) * | 1983-02-15 | 1985-06-11 | Scientific Atlanta Inc. | Sync suppression scrambling of television signals for subscription TV |
| JPS60117882A (ja) * | 1983-11-29 | 1985-06-25 | Mitsubishi Electric Corp | テレビジヨン受像機 |
| JPS60239188A (ja) * | 1984-05-12 | 1985-11-28 | Sony Corp | テレビジヨン信号復調装置 |
| US4625240A (en) * | 1984-07-25 | 1986-11-25 | Eeco, Inc. | Adaptive automatic gain control |
| US4533361A (en) * | 1984-10-09 | 1985-08-06 | Texaco Inc. | Middle distillate containing storage stability additive |
-
1986
- 1986-03-27 US US06/844,542 patent/US4718086A/en not_active Expired - Lifetime
-
1987
- 1987-03-20 CA CA000532612A patent/CA1269442A/en not_active Expired - Lifetime
- 1987-03-20 GB GB8706670A patent/GB2188501B/en not_active Expired - Lifetime
- 1987-03-26 JP JP62073940A patent/JP2517267B2/ja not_active Expired - Lifetime
- 1987-03-26 FR FR8704235A patent/FR2596604B1/fr not_active Expired - Fee Related
- 1987-03-26 DE DE19873709902 patent/DE3709902A1/de active Granted
- 1987-03-26 KR KR1019870002769A patent/KR950006240B1/ko not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB460675A (en) * | 1935-11-27 | 1937-02-02 | Gen Electric Co Ltd | Improvements in or relating to television receivers and the like |
Non-Patent Citations (1)
| Title |
|---|
| E I A Consumer Products Standards JS-15 "NTSC Television Receiver Audio/Video Base- band Interface Specification, April 25, 1985, Page 1-13 mit 3 Blatt Zeichnungen * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1269442C (en) | 1990-05-22 |
| GB2188501B (en) | 1990-08-22 |
| KR870009584A (ko) | 1987-10-27 |
| JP2517267B2 (ja) | 1996-07-24 |
| DE3709902C2 (enrdf_load_stackoverflow) | 1990-05-23 |
| US4718086A (en) | 1988-01-05 |
| FR2596604B1 (fr) | 1994-02-04 |
| CA1269442A (en) | 1990-05-22 |
| FR2596604A1 (fr) | 1987-10-02 |
| JPS62236290A (ja) | 1987-10-16 |
| KR950006240B1 (ko) | 1995-06-12 |
| GB2188501A (en) | 1987-09-30 |
| GB8706670D0 (en) | 1987-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8320 | Willingness to grant licences declared (paragraph 23) |